When bearing standard parts: car bearing need to change

CAM bearing features: thick outer ring needle roller bearing and bolt combination structure; Size has a metric and inch series; Within the bolt bearing set has lubricating oil; For the convenience of installation, in the big end of bearing design have a 'word' and 'hexagonal pass' wrench assembly way; Outside the outer surface of the cylindrical and spherical shape, could be selected according to the practical applications; Full roller type applicable and bear big load, at a lower speed; When installing bearing eccentric type is convenient and accurate adjusting bolt axis position. Ball mill is widely used in cement, Portland products, new building material, refractory material, fertilizer, black and metal processing and glass ceramics production industry, it to all kinds of ores and other materials may be grinding of dry or wet grinding. However, how much you know about bearings? Today is big and small make up together to learn ~ has what function? Inner ring usually and shaft tight fit, and with the axis of rotation. b,油脂, / CU aircraft turbine engine bearing high and low temperature grease, adopting micro molybdenum graphite combination for improved in this paper, the lubrication, similarly, the gas has been used as a lubricant at high temperature, as a result of the aircraft engine bearing high temperature, rapid and overload, the traditional oil lubrication sometimes doesn't work. Of more complex causes, such as bearing raw materials defects ( Bubbles, shrinkage) And forging defects ( Burnt) , heat treatment defects ( Overheating) , processing defects ( Local micro cracks or surface) , host defects ( Bad installation, poor lubrication, instantaneous overload) Or severe vibration, such as denier is impacted by the overload load could make the ring fracture. Contact fatigue failure is common form of contact fatigue spalling, continuous wear will cause bearing parts gradually damage, and eventually result in the loss bearing dimension precision and other problems. Site operation steps are as follows: according to equipment structure and provide drawings before and after the preliminary judging by bearing a shoulder not wear position; Live outside micrometer was used to measure the front axle shoulder size. Osteoporosis: check methods: hot acid pickling, % of industrial hydrochloric acid aqueous solution, acid pickling temperature ~ ° C, pickling time for ~ minutes, then remove sample use alkaline neutralization and ° C hot water. Six, lubricant impact current through the lubricant will have influence, in addition, according to remind you that a good bearing grease kneading by hand, does not have a cough up hand feeling, it will be smooth. Therefore, we should as far as possible from staff to carry out the work, the brush plating repair process, the brush plating can't exceed the critical thickness of demand, and in the process of using brush plating are easy to fall off, short service life. Reason: the impact load is too large; Interference is too large; Have greater detachment; Friction crack; Installing lateral accuracy is bad ( Round the corner too ； Use the bad ( Copper hammer, card into the big) 。 Coupled with good sealing, the bearing life is very long, don't need maintenance, measure the bearing shell top and side clearance, bearing parallel degrees, journal and other data.